[ https://issues.apache.org/jira/browse/KAFKA-15144?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Edoardo Comar updated KAFKA-15144: ---------------------------------- Summary: MM2 Checkpoint downstreamOffset stuck to 1 (was: Checkpoint downstreamOffset stuck to 1) > MM2 Checkpoint downstreamOffset stuck to 1 > ------------------------------------------ > > Key: KAFKA-15144 > URL: https://issues.apache.org/jira/browse/KAFKA-15144 > Project: Kafka > Issue Type: Bug > Components: mirrormaker > Reporter: Edoardo Comar > Assignee: Edoardo Comar > Priority: Major > Attachments: edo-connect-mirror-maker-sourcetarget.properties > > > Steps to reproduce : > 1.Start the source cluster > 2.Start the target cluster > 3.Start connect-mirror-maker.sh using a config like the attached > 4.Create a topic in source cluster > 5.produce a few messages > 6.consume them all with autocommit enabled > > 7. then dump the Checkpoint topic content e.g. > {{% bin/kafka-console-consumer.sh --bootstrap-server localhost:9192 --topic > source.checkpoints.internal --from-beginning --formatter > org.apache.kafka.connect.mirror.formatters.CheckpointFormatter}} > {{Checkpoint\{consumerGroupId=edogroup, > topicPartition=source.vf-mirroring-test-edo-0, upstreamOffset=3, > downstreamOffset=1, metadata=}}} > > the downstreamOffset remains at 1, while, in a fresh cluster pair like with > the source topic created while MM2 is running, > I'd expect the downstreamOffset to match the upstreamOffset. > Note that dumping the offset sync topic, shows matching initial offsets > {{% bin/kafka-console-consumer.sh --bootstrap-server localhost:9192 --topic > mm2-offset-syncs.source.internal --from-beginning --formatter > org.apache.kafka.connect.mirror.formatters.OffsetSyncFormatter}} > {{OffsetSync\{topicPartition=vf-mirroring-test-edo-0, upstreamOffset=0, > downstreamOffset=0}}} > > > -- This message was sent by Atlassian Jira (v8.20.10#820010)